Home / 130,365,253.14-179,859,555.56-80,787,537.45

Finding the Fourth Proportional to 130,365,253.14, 179,859,555.56 and 80,787,537.45

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Solution

The fourth proportional to 130,365,253.14, 179,859,555.56 and 80,787,537.45 is: 111,459,228.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,365,253.14 : 179,859,555.56 = 80,787,537.45 : x
  2. Step 2: Convert to fraction form
    130,365,253.14/179,859,555.56 = 80,787,537.45/x
  3. Step 3: Cross multiply
    130,365,253.14x = 179,859,555.56 × 80,787,537.45
  4. Step 4: Simplify right side
    130,365,253.14x = 14,530,410,580,139,920
  5. Step 5: Solve for x
    x = 14,530,410,580,139,920/130,365,253.14
  6. Step 6: Final answer
    x = 111,459,228.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.